v3.26.3
STATEMENTS OF CASH FLOWS - USD ($)
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
CASH FLOWS FROM OPERATING ACTIVITIES    
Net income $ 2,494,850 $ 1,184,455
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and accretion 390,015 325,488
Amortization of patents 3,700 3,700
Stock based compensation 87,129 47,206
(Gain) loss on disposal of equipment (6,917) 497
Deferred taxes 225,672 139,505
Inventory reserve 7,013 (135)
Changes in operating assets and liabilities:    
Accounts receivable (486,562) (169,502)
Investment (1,688)  
Inventories (2,693,408) (1,598,785)
Prepaid purchase orders (547,309) 45,514
Prepaid expenses 35,109 36,048
Accounts payable 1,880,267 (18,568)
Customer deposits 2,735,354 3,694,351
Accrued liabilities 232,290 (5,879)
Net cash provided by operating activities 4,355,516 3,683,895
CASH FLOWS FROM INVESTING ACTIVITIES    
Proceeds from sale of equipment 18,000  
Purchases of marketable securities   (2,297,563)
Proceeds from maturities of marketable securities   1,759,478
Purchases of property and equipment (1,003,204) (420,953)
Net cash used in investing activities (985,204) (959,038)
CASH FLOWS FROM FINANCING ACTIVITIES    
Purchase of treasury stock (267,500)  
Net cash used in financing activities (267,500)  
NET INCREASE IN CASH AND CASH EQUIVALENTS 3,102,812 2,724,857
CASH AND CASH EQUIVALENTS - Beginning of year 7,939,000 6,753,403
CASH AND CASH EQUIVALENTS - End of period 11,041,812 9,478,260
Cash paid during the year for:    
Income taxes 253,057 194,229
SUPPLEMENTAL DISCLOSURES OF NONCASH INVESTING AND FINANCING ACTIVITIES    
Increase in asset retirement obligation $ 5,175 $ 5,175